.header{
    width: 100vw;
    height: 55px;
    display: flex;
    align-items: center;
    position: fixed;
    background-color: #EDEDED;
    z-index: 9999;
}
.header .img{
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 10px;
}
.header .img img{
    width: 100%;
    height: 100%;
}
.header h1{
    font-size: 16px;
    font-weight: normal;
}